Answer:
The inverse operation is division
Answer:
the third choice
Step-by-step explanation:
I haven't done those questions in a long time so I would double check. But I think its choice C because 0 has two functions, and I'm pretty sure that a number can only have 1 output, therefore C is not a function..
I think you can use cosine rule if only the lines that form the <52 are equal.